13 Years.
4 GS Papers.
969+ PYQs, Mastered.
Every UPSC Civil Services Mains microtheme — mapped, organised, ready to attempt. India's most structured Previous Year Questions (PYQ) hub for serious Mains aspirants, covering GS-I to GS-IV from 2013 to 2025.
How It Works
Browse by Microtheme
Pick a GS paper, drill into a subject, see every UPSC Mains PYQ asked on that microtheme since 2013.
Attempt Under Mains Conditions
Read the question, plan the approach, write your answer in the 8-minute (10-mark) or 11-minute (15-mark) Mains window.
Get Mentor Evaluation
Upload your answer sheet at civilshubias.com. Your first 2 evaluations are completely free.
The Four Papers
Each GS paper, broken down into the exact subjects and microthemes UPSC tests. Real questions. Real years. Real counts.
Why CivilsHubIAS?
Microtheme-Wise PYQ Mapping
Every UPSC Mains question slotted into the exact microtheme of the official Mains syllabus.
Year-Wise Trend Analysis
Spot the microthemes UPSC repeats — and the ones quietly gaining weight each Mains cycle.
Smart Keyword Search
Type 'federalism', 'Gandhi', 'AI ethics' — surface every Mains PYQ that touches the concept.
Mentor-Reviewed Model Answers
Evaluation by mentors who have appeared in the UPSC Personality Test.
Downloadable PYQ Sets
Printable, microtheme-wise PYQ sheets for distraction-free Mains revision.
2 Free Answer Evaluations
Get your first two Mains answer sheets reviewed at no cost.
Frequently Asked Questions
Quick answers about the UPSC Mains PYQ Hub, microtheme mapping, and how to revise 13 years of Civil Services Mains questions.
What is the UPSC Mains PYQ Hub by CivilsHubIAS?
The UPSC Mains PYQ Hub is a free platform that organises 13 years of UPSC Civil Services Mains Previous Year Questions (2013–2025) across GS-I, GS-II, GS-III and GS-IV — every question mapped to the exact microtheme of the official Mains syllabus. It hosts 969+ PYQs across 313 microthemes for structured revision.
How many years of UPSC Mains PYQs are covered?
Thirteen consecutive Mains cycles are covered — from UPSC Civil Services Mains 2013 through Mains 2025. Every General Studies paper (GS-I to GS-IV) is included, so aspirants can trace how each microtheme has evolved across a full 13-year window.
How are UPSC Mains questions organised on this site?
Questions are indexed three ways: by GS paper (I–IV), by subject within that paper (e.g. Polity, Ethics, Internal Security), and by microtheme — the smallest unit of the Mains syllabus. This lets you jump from a syllabus topic like 'federalism' directly to every PYQ ever asked on it.
Is the UPSC Mains PYQ Hub free to use?
Yes. Browsing PYQs, using smart search, viewing trend analytics, downloading microtheme-wise PYQ sheets, and exploring the concept graph are all free. The first two answer-sheet evaluations by CivilsHubIAS mentors are also free.
What is microtheme-wise PYQ mapping?
The UPSC Mains syllabus lists broad topics; a microtheme is the sub-topic actually tested in a question (e.g. 'cooperative federalism', 'AI ethics in governance'). Microtheme mapping slots every PYQ under the specific sub-topic it examines, so aspirants can revise by concept rather than by year.
How do I prepare GS-IV Ethics using this platform?
Open /gs/gs4 for microtheme-wise Ethics PYQs and /case-studies for the Section-B case-study bank. Each case study is tagged by the ethical concept it tests (integrity, empathy, accountability), so aspirants can rehearse decision-making under UPSC's exact question style.
Can I download PYQs for offline UPSC Mains revision?
Yes. Each subject and microtheme page offers downloadable, print-friendly PYQ sheets so aspirants can revise offline without distraction. Sheets carry the question, year, marks, and microtheme tag for structured practice.
Does the platform show UPSC Mains trend analytics?
Yes. The /trends dashboard visualises which microthemes UPSC repeats, which are gaining weight, and which have faded — using stacked year charts and microtheme trend lines built from the full 2013–2025 PYQ dataset.
Who reviews the model answers and evaluations?
Answer evaluations are done by CivilsHubIAS mentors, several of whom have themselves appeared in the UPSC Personality Test (Interview). The first two evaluations per aspirant are free at civilshubias.com.
How is this different from a generic UPSC PYQ PDF?
A PDF is a flat, year-wise list. This hub is a searchable, microtheme-indexed knowledge base with trend charts, concept graphs, syllabus mapping, and mentor-reviewed answers — built specifically for serious Mains aspirants who prepare by concept, not by year.
Get Your Answer Evaluated by UPSC Mentors
First 2 answers are completely free — reviewed by mentors who have appeared in the UPSC Interview.
Evaluate My Answer